Yamaha AX-390 Kullanıcı El Kitabı - Sayfa 12
Amplifikatör Yamaha AX-390 için çevrimiçi göz atın veya pdf Kullanıcı El Kitabı indirin. Yamaha AX-390 14 sayfaları. Natural sound stereo integrated amplifier
Ayrıca Yamaha AX-390 için: Servis Kılavuzu (37 sayfalar)
Sayfayı Yazdır
TROUBLESHOOTING
If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.
SYMPTOM
The unit fails to turn on when the POWER
switch is pressed.
No sound.
The sound suddenly goes off.
Only one side speaker outputs the sound.
There is a lack of bass, and no ambience.
Sound "hums".
Sound level is low.
The input source cannot be changed,
though any input selector button is
pressed.
Using the BASS, TREBLE, BALANCE and
LOUDNESS controls does not affect the
tone.
The volume level is low while playing a
record.
The volume level cannot be increased, or
sound is distorted.
The remote control transmitter does not
work.
The sound is degraded when listening with
the headphones connected to the compact
disc player or cassette deck that are
connected with this unit.
12
CAUSE
Power cord is not plugged in or is not
completely inserted.
Incorrect output cord connections.
Appropriate input selector button is not pressed.
The SPEAKERS switches are not set properly.
Speaker connections are not secure.
The protection circuit has been activated
because of short circuit etc.
Incorrect setting of the BALANCE control.
Incorrect cord connections.
The + and – wires are connected in reverse at
this unit or speakers.
Incorrect cord connections.
No connection from the turntable to the GND
terminal.
The LOUDNESS control is functioning.
The CD DIRECT AMP switch is ON.
The CD DIRECT AMP switch is ON.
The record is being played on a turntable with
an MC cartridge.
The power to the component connected to the
REC OUT terminals of this unit is off.
Direct sunlight or lighting (of an inverter type of
flourescent lamp etc.) is striking the remote
control sensor of the main unit.
The batteries of this remote control transmitter
are too weak.
The power to this unit is off.
REMEDY
Firmly plug in the power cord.
Connect the cords properly. If the problem
persists, the cords may be defective.
Press the appropriate input selector button
corresponding to the input source.
Set the SPEAKERS switch that corresponds to
the speakers to be used to the ON position.
Secure the connections.
Turning the unit off and then on will reset the
protection circuit.
Adjust it to the appropriate position.
Connect the cords properly. If the problem
persists, the cords may be defective.
Connect the speaker wires in the correct phase
(+ and –).
Firmly connect the audio plugs. If the problem
persists, the cords may be defective.
Make the GND connection between the
turntable and this unit.
Set the LOUDNESS control to the FLAT
position.
Switch off the CD DIRECT AMP switch.
The CD DIRECT AMP switch must be switched
OFF to use those controls.
The player should be connected to the unit
through an MC head amplifier (available
separately).
Turn the power to the component on.
Change the position of the main unit.
Replace the batteries with new ones.
Turn the power to this unit on.